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Acta Optica Sinica, Volume. 39, Issue 9, 0911001(2019)

Digital Time Delay and Integration Method for Wide-Range Image Motion Variation

Shuping Tao1、*, Xuyan Zhang1, Qinping Feng1,2, Mingzhu Song1,2, and Yong Wu1
Author Affiliations
  • 1 Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, China
  • 2 University of Chinese Academy of Sciences, Beijing 100049, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (7)
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    References (16)
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    Figures & Tables(7)
    Working principle of digital TDI general algorithm

    Fig. 1. Working principle of digital TDI general algorithm

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    Flowchart of digital TDI algorithm for wide-range image motion variation

    Fig. 2. Flowchart of digital TDI algorithm for wide-range image motion variation

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    Retrospective interpolation diagram

    Fig. 3. Retrospective interpolation diagram

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    Original remote sensing image

    Fig. 4. Original remote sensing image

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    Images obtained by two algorithms when image mismatch rate is 0.5%. (a) Proposed algorithm; (b) TDI general algorithm

    Fig. 5. Images obtained by two algorithms when image mismatch rate is 0.5%. (a) Proposed algorithm; (b) TDI general algorithm

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    Images obtained by two algorithms when image mismatch rate is 2%. (a) Proposed algorithm; (b) TDI general algorithm

    Fig. 6. Images obtained by two algorithms when image mismatch rate is 2%. (a) Proposed algorithm; (b) TDI general algorithm

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    • Table 1. Image analysis results of proposed algorithm and TDI general algorithm

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      Table 1. Image analysis results of proposed algorithm and TDI general algorithm

      Type of algorithmImage mismatch rate /%fMT-MATσ
      Proposed algorithm0.50.95480.9437
      2.00.93860.9109
      TDI general algorithm0.50.93670.9274
      2.00.82010.8009
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    Shuping Tao, Xuyan Zhang, Qinping Feng, Mingzhu Song, Yong Wu. Digital Time Delay and Integration Method for Wide-Range Image Motion Variation[J]. Acta Optica Sinica, 2019, 39(9): 0911001

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    Paper Information

    Category: Imaging Systems

    Received: Apr. 11, 2019

    Accepted: May. 13, 2019

    Published Online: Sep. 9, 2019

    The Author Email: Tao Shuping (taoshuping-163@163.com)

    DOI:10.3788/AOS201939.0911001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology